Home / 74,118.21-111,176.94-17,958.33

Finding the Fourth Proportional to 74,118.21, 111,176.94 and 17,958.33

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Solution

The fourth proportional to 74,118.21, 111,176.94 and 17,958.33 is: 26,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,118.21 : 111,176.94 = 17,958.33 : x
  2. Step 2: Convert to fraction form
    74,118.21/111,176.94 = 17,958.33/x
  3. Step 3: Cross multiply
    74,118.21x = 111,176.94 × 17,958.33
  4. Step 4: Simplify right side
    74,118.21x = 1,996,552,176.91
  5. Step 5: Solve for x
    x = 1,996,552,176.91/74,118.21
  6. Step 6: Final answer
    x = 26,937.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.